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Browsing by Author "Wei-Hang Chiu"

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    三氯化鐵輔佐螺旋[4.6]十一-8-酮架構的合成
    (2012) 邱緯航; Wei-Hang Chiu
      本篇論文旨在於利用三氯化鐵輔佐帶有芳香環炔基支鏈的雙環[4.1.0]庚-2-酮化合物進行一連串的擴環、環化及氯化反應形成螺旋[4.6]十一-8-酮的架構。   反應最佳條件是將帶有各種芳香環炔基支鏈的雙環[4.1.0]庚-2-酮化合物以1,2-二溴乙烷作為溶劑,使用1.5 當量的三氯化鐵並加熱至50 ℃可得到(E)-螺旋[4.6]十一-8-酮的架構,產率24-62 %。X-ray 繞射分析證明了環化產物中的烯基為(E)-構型。

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